diff --git a/src/Guards/TurnstileGuard.php b/src/Guards/TurnstileGuard.php
index 39fa180..0f29871 100644
--- a/src/Guards/TurnstileGuard.php
+++ b/src/Guards/TurnstileGuard.php
@@ -12,7 +12,7 @@ class TurnstileGuard extends Guard
      *
      * @var string
      */
-    const fieldName = 'turnstile-response';
+    const fieldName = 'cf-turnstile-response';
 
     /**
      * URL for the Turnstile verification